How strongly do plumes influence Pacific seamount distribution?
How strongly do plumes influence Pacific seamount distribution?
复制标题
羽流对太平洋海山分布的影响有多大？
DOI：
10.1016/j.epsl.2022.117786
复制
发表时间：
2022-10
影响因子：
5.3
通讯作者：
Weiwei Ding
中科院分区：
文献类型：
--
作者：
Yanghui Zhao;Bryan Riel;Gillian Foulger;Weiwei Ding
海山是海底火山，被认为是由从深部地幔升起的热地幔柱或与板块有关的浅层过程形成的。然而，这两种机制的相对重要性迄今尚未量化。在这项研究中，应用高斯过程回归重建不规则的海山地形上，下的沉积层，我们计算出一个精确的火山分布图在太平洋板块。我们发现，以前爆发的数量平均被低估了75%。我们的研究结果表明：（1）假定与地幔柱有关的总喷发量仅占太平洋板内火山活动总量的18%;（2）与地幔柱有关的海山和沿着大低剪切速度区边缘的海山的体积统计数据几乎无法与其余板内海山区分开来。我们的结论是，拟议的羽只占少数的体积在太平洋板块的板内火山活动，这意味着浅，而不是深的过程占主导地位。
Seamounts are submarine volcanoes postulated to be formed either by hot mantle plumes rising from the deep mantle or by shallow, plate-related processes. However, the relative importance of these two mechanisms has not hitherto been quantified. In this study, applying Gaussian Process regression to reconstruct irregular seamount topography above and under the sedimentary layer, we calculate an accurate map of volcanism distribution within the Pacific plate. We find that previous erupted volumes have been underestimated by 75% on average. Our results show that (1) the total erupted volume postulated to be plume-related makes up only 18% of total Pacific intraplate volcanism, and (2) the volume statistics for plume-related seamounts and those along the Large Low-Shear-Velocity Province margins are nearly indistinguishable from the rest of the intraplate seamounts. We conclude that proposed plumes account for only a minority of the volume of intraplate volcanism in the Pacific plate, implying that shallow rather than deep processes are dominant.
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DOI：
10.1080/04353676.1994.11880406
发表时间：
1994-04
影响因子：
1.5
作者：
T. Vogt;H. D. Valle
通讯作者：
T. Vogt;H. D. Valle
影响因子：
--
作者：
C. Craig;D. Sandwell
通讯作者：
C. Craig;D. Sandwell
影响因子：
5.8
作者：
A. Draut;P. Clift
通讯作者：
A. Draut;P. Clift
影响因子：
5.3
作者：
B. Taylor
通讯作者：
B. Taylor
影响因子：
5.2
作者：
C. Conrad;K. Selway;M. Hirschmann;M. Ballmer;P. Wessel
通讯作者：
C. Conrad;K. Selway;M. Hirschmann;M. Ballmer;P. Wessel